diff --git a/host_vars/emma.ccchb.de.yml b/host_vars/emma.ccchb.de.yml
index 7ef7d7f..5187c83 100644
--- a/host_vars/emma.ccchb.de.yml
+++ b/host_vars/emma.ccchb.de.yml
@@ -84,11 +84,15 @@ bhyve_guests:
       - DISKS
     disks:
       - name: system
+        virtio: true
+        virtio_slot: 8
         properties:
           volsize: 32g
           volblocksize: 4k
           primarycache: metadata
       - name: data
+        virtio: true
+        virtio_slot: 9
         properties:
           volsize: 128g
           volblocksize: 64k